21844473

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1423}}^1$

素因数の和:1493

約数の個数: 32

約数和(自身を含む): 36089856

約数和(自身を除く): 14245383

約数列:

[1, 3, 7, 17, 21, 43, 51, 119, 129, 301, 357, 731, 903, 1423, 2193, 4269, 5117, 9961, 15351, 24191, 29883, 61189, 72573, 169337, 183567, 428323, 508011, 1040213, 1284969, 3120639, 7281491, 21844473]

約数ペア:

[(1, 21844473), (3, 7281491), (7, 3120639), (17, 1284969), (21, 1040213), (43, 508011), (51, 428323), (119, 183567), (129, 169337), (301, 72573), (357, 61189), (731, 29883), (903, 24191), (1423, 15351), (2193, 9961), (4269, 5117)]